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2241f81c91f211b512bd2c3a26a4a74258d0e008
Analyze and fix the following issue in the Linux kernel code: arm64: dts: socfpga: drop unsupported cdns,page-size and cdns,block-size
Problem Details: cdns,page-size and cdns,block-size are neither documented nor used by Linux, so remove them to fix dtbs_check warnings like: socfpga_n5x_socdk.dtb: flash@0: Unevaluated properties are not allowed ('cdns,block-size', 'cdns,page-size' were unexpected) Signed-off-by: Krzysztof Kozlowski <krzysztof.koz...
```diff diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 468fcc7da066..347fd1d949fa 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -187,8 +187,6 @@ sp...
a5db395a1cef0b8335fc7f70a6790d074957a62d
Analyze and fix the following issue in the Linux kernel code: ARM: dts: socfpga: drop unsupported cdns,page-size and cdns,block-size
Problem Details: cdns,page-size and cdns,block-size are neither documented nor used by Linux, so remove them to fix dtbs_check warnings like: socfpga_arria5_socdk.dtb: flash@0: Unevaluated properties are not allowed ('cdns,block-size', 'cdns,page-size' were unexpected) Signed-off-by: Krzysztof Kozlowski <krzysztof....
```diff diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_arria10_socdk_qspi.dts b/arch/arm/boot/dts/intel/socfpga/socfpga_arria10_socdk_qspi.dts index 11ccdc6c2dc6..0434f1c7b665 100644 --- a/arch/arm/boot/dts/intel/socfpga/socfpga_arria10_socdk_qspi.dts +++ b/arch/arm/boot/dts/intel/socfpga/socfpga_arria10_socdk_qs...
4b2df884b8971f0f18e0c5d7ef9e5b9cb740cc9a
Analyze and fix the following issue in the Linux kernel code: ring-buffer/Documentation: Add documentation on buffer_percent file
Problem Details: When the buffer_percent file was added to the kernel, the documentation should have been updated to document what that file does. Acked-by: "Masami Hiramatsu (Google)" <mhiramat@kernel.org> Fixes: 03329f9939781 ("tracing: Add tracefs file buffer_percentage") Signed-off-by: "Steven Rostedt (Google)" <r...
```diff diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index 9ef362dae9df..16122a8895ba 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -180,6 +180,21 @@ of ftrace. Here is a list of some of the key files: Only active when the file contains a number gr...
0587e62bf4f36001bea60ae0fc65b54aff6f847d
Analyze and fix the following issue in the Linux kernel code: Docs/zh_CN: Fix the meaning of DEBUG to pr_debug()
Problem Details: We know the macro DEBUG will make pr_debug() save the formatted string into final binary. But the translation in chinese gives a opposite meaning. Signed-off-by: "JiaLong.Yang" <jialong.yang@shingroup.cn> Reviewed-by: Zenghui Yu <zenghui.yu@linux.dev> Acked-by: Yanteng Si <siyanteng@loongson.cn> Signe...
```diff diff --git a/Documentation/translations/zh_CN/core-api/printk-basics.rst b/Documentation/translations/zh_CN/core-api/printk-basics.rst index 59c6efb3fc41..cafa01bccff2 100644 --- a/Documentation/translations/zh_CN/core-api/printk-basics.rst +++ b/Documentation/translations/zh_CN/core-api/printk-basics.rst @@ -1...
77e075579e88892510ddb7fda47ea15d74a5729f
Analyze and fix the following issue in the Linux kernel code: Documentation: move driver-api/isapnp to userspace-api/
Problem Details: driver-api/isapnp documents /proc interfaces for interfacing directly with ISA Plug & Play devices, not any kind of API for kernel developers, and should thus also live under userspace-api/. Also fix a few issues while we're at it. Cc: Jaroslav Kysela <perex@perex.cz> Cc: Mauro Carvalho Chehab <mcheh...
```diff diff --git a/Documentation/driver-api/index.rst b/Documentation/driver-api/index.rst index 9511db303446..b1b82ac1063b 100644 --- a/Documentation/driver-api/index.rst +++ b/Documentation/driver-api/index.rst @@ -81,7 +81,6 @@ available subsections can be seen below. dcdbas eisa isa - isapnp io-...
89405db5cd1ed641dfe91b4a3796bb6188ab05e3
Analyze and fix the following issue in the Linux kernel code: Documentation/core-api : fix typo in workqueue
Problem Details: Correct to “boundaries” from “bounaries” Signed-off-by: Attreyee Mukherjee <tintinm2017@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20231223175316.24951-1-tintinm2017@gmail.com
```diff diff --git a/Documentation/core-api/workqueue.rst b/Documentation/core-api/workqueue.rst index 0046af06531a..33c4539155d9 100644 --- a/Documentation/core-api/workqueue.rst +++ b/Documentation/core-api/workqueue.rst @@ -379,7 +379,7 @@ Workqueue currently supports the following affinity scopes. cases. This is...
afa751e84c30b517aebd418970d222c39c81acb8
Analyze and fix the following issue in the Linux kernel code: kernel-doc: handle a void function without producing a warning
Problem Details: Currently a void function can produce a warning: main.c:469: warning: contents before sections This one is from arch/x86/kernel/cpu/sgx/main.c (which is not included in any produced kernel documentation output). Handle this by setting $in_doc_sect to 1 whenever any recognized document section name ...
```diff diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 3cdc7dba37e3..3ecdab5ca612 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -2121,6 +2121,7 @@ sub process_body($$) { } if (/$doc_sect/i) { # case insensitive for supported section names + $in_doc_sect = 1; $newsection = $1; $...
eb00697b91646de22d6d9b4e6a5fadf4495fdf69
Analyze and fix the following issue in the Linux kernel code: perf x86 test: Update hybrid expectations
Problem Details: The legacy events cpu-cycles and instructions have sysfs event equivalents on x86 (see /sys/devices/cpu_core/events). As sysfs/JSON events are now higher in priority than legacy events this causes the hybrid test expectations not to be met. To fix this switch to legacy events that don't have sysfs ve...
```diff diff --git a/tools/perf/arch/x86/tests/hybrid.c b/tools/perf/arch/x86/tests/hybrid.c index eb152770f148..05a5f81e8167 100644 --- a/tools/perf/arch/x86/tests/hybrid.c +++ b/tools/perf/arch/x86/tests/hybrid.c @@ -47,7 +47,7 @@ static int test__hybrid_hw_group_event(struct evlist *evlist) evsel = evsel__next(evs...
f2567e12a090f0eb22553a4468d4c4fe04aad906
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix hard coded LL miss units
Problem Details: Copy-paste error where LL cache misses are reported as l1i. Fixes: 0a57b910807ad163 ("perf stat: Use counts rather than saved_value") Suggested-by: Guillaume Endignoux <guillaumee@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian H...
```diff diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 1c5c3eeba4cf..e31426167852 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -264,7 +264,7 @@ static void print_ll_miss(struct perf_stat_config *config, static const double color_ratios[3] = {20.0,...
9c51f8788b5d4e9f46afbcf563255cfd355690b3
Analyze and fix the following issue in the Linux kernel code: perf env: Avoid recursively taking env->bpf_progs.lock
Problem Details: Add variants of perf_env__insert_bpf_prog_info(), perf_env__insert_btf() and perf_env__find_btf prefixed with __ to indicate the env->bpf_progs.lock is assumed held. Call these variants when the lock is held to avoid recursively taking it and potentially having a thread deadlock with itself. Fixes: f...
```diff diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c index 830711cae30d..3573e0b7ef3e 100644 --- a/tools/perf/util/bpf-event.c +++ b/tools/perf/util/bpf-event.c @@ -545,9 +545,9 @@ int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env) return evlist__add_sb_event(evlist, &...
09d015deddd6234430c04a1eddaa8a28fd621dec
Analyze and fix the following issue in the Linux kernel code: drm/virtio: Spelling fixes
Problem Details: While making a spelling mistake myself for `git grep kvalloc` I found that the only file has such a typo. Fix it and update to the standard de facto of how we refer to the functions. Also spell usr-out as user-out, it seems this driver uses its own terminology nobody else can decypher, make it more rea...
```diff diff --git a/drivers/gpu/drm/virtio/virtgpu_submit.c b/drivers/gpu/drm/virtio/virtgpu_submit.c index 5c514946bbad..1c7c7f61a222 100644 --- a/drivers/gpu/drm/virtio/virtgpu_submit.c +++ b/drivers/gpu/drm/virtio/virtgpu_submit.c @@ -99,8 +99,8 @@ virtio_gpu_parse_deps(struct virtio_gpu_submit *submit) return 0...
3231dd5862779c2e15633c96133a53205ad660ce
Analyze and fix the following issue in the Linux kernel code: docs: kernel_abi.py: fix command injection
Problem Details: The kernel-abi directive passes its argument straight to the shell. This is unfortunate and unnecessary. Let's always use paths relative to $srctree/Documentation/ and use subprocess.check_call() instead of subprocess.Popen(shell=True). This also makes the code shorter. Link: https://fosstodon.org/@...
```diff diff --git a/Documentation/admin-guide/abi-obsolete.rst b/Documentation/admin-guide/abi-obsolete.rst index d095867899c5..594e697aa1b2 100644 --- a/Documentation/admin-guide/abi-obsolete.rst +++ b/Documentation/admin-guide/abi-obsolete.rst @@ -7,5 +7,5 @@ marked to be removed at some later point in time. The de...
5889d6ede53bc17252f79c142387e007224aa554
Analyze and fix the following issue in the Linux kernel code: scripts/get_abi: fix source path leak
Problem Details: The code currently leaks the absolute path of the ABI files into the rendered documentation. There exists code to prevent this, but it is not effective when an absolute path is passed, which it is when $srctree is used. I consider this to be a minimal, stop-gap fix; a better fix would strip off the a...
```diff diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl index 0ffd5531242a..408bfd0216da 100755 --- a/scripts/get_abi.pl +++ b/scripts/get_abi.pl @@ -98,7 +98,7 @@ sub parse_abi { $name =~ s,.*/,,; my $fn = $file; - $fn =~ s,Documentation/ABI/,,; + $fn =~ s,.*Documentation/ABI/,,; my $nametag = "File $fn...
fd045e5f99723db573d671d0484543f61dc496f5
Analyze and fix the following issue in the Linux kernel code: nvdimm/namespace: fix kernel-doc for function params
Problem Details: Adjust kernel-doc notation to prevent warnings when using -Wall. namespace_devs.c:76: warning: No description found for return value of 'nd_is_uuid_unique' namespace_devs.c:343: warning: No description found for return value of 'shrink_dpa_allocation' namespace_devs.c:668: warning: No description foun...
```diff diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index fa1202e848d9..d6d558f94d6b 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -71,6 +71,8 @@ static int is_namespace_uuid_busy(struct device *dev, void *data) * nd_is_uuid_unique - verify th...
0e2b3d54d826da9def1ab627b50c123bc34250fa
Analyze and fix the following issue in the Linux kernel code: nvdimm/dimm_devs: fix kernel-doc for function params
Problem Details: Adjust kernel-doc notation to prevent warnings when using -Wall. dimm_devs.c:59: warning: Function parameter or member 'ndd' not described in 'nvdimm_init_nsarea' dimm_devs.c:59: warning: Excess function parameter 'nvdimm' description in 'nvdimm_init_nsarea' dimm_devs.c:59: warning: No description fou...
```diff diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index 3ceddae0509f..21498d461fde 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -53,7 +53,9 @@ static int validate_dimm(struct nvdimm_drvdata *ndd) /** * nvdimm_init_nsarea - determine the geometry of a dimm's...
b19211418969357c6872b963c91799c8cdba3f72
Analyze and fix the following issue in the Linux kernel code: nvdimm/btt: fix btt_blk_cleanup() kernel-doc
Problem Details: Correct the function parameters to prevent kernel-doc warnings: btt.c:1567: warning: Function parameter or member 'nd_region' not described in 'btt_init' btt.c:1567: warning: Excess function parameter 'maxlane' description in 'btt_init' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Vishal V...
```diff diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 32a9e2f543c5..560c879a688d 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1545,7 +1545,7 @@ static void btt_blk_cleanup(struct btt *btt) * @rawsize: raw size in bytes of the backing device * @lbasize: lba size of the backing de...
8026e40608b4d552216d2a818ca7080a4264bb44
Analyze and fix the following issue in the Linux kernel code: apparmor: Fix move_mount mediation by detecting if source is detached
Problem Details: Prevent move_mount from applying the attach_disconnected flag to move_mount(). This prevents detached mounts from appearing as / when applying mount mediation, which is not only incorrect but could result in bad policy being generated. Basic mount rules like allow mount, allow mount options=(move)...
```diff diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 38650e52ef57..2d9f2a4b4519 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -2373,6 +2373,7 @@ static struct aa_sfs_entry aa_sfs_entry_policy[] = { static struct aa_sfs_entry aa_sfs_entry_mou...
1af5aa82c976753e93eb52b72784e586a7d2844b
Analyze and fix the following issue in the Linux kernel code: apparmor: free the allocated pdb objects
Problem Details: policy_db objects are allocated with kzalloc() inside aa_alloc_pdb() and are not cleared in the corresponding aa_free_pdb() function causing leak: unreferenced object 0xffff88801f0a1400 (size 192): comm "apparmor_parser", pid 1247, jiffies 4295122827 (age 2306.399s) hex dump (first 32 bytes): ...
```diff diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index ed4c9803c8fa..957654d253dd 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -99,13 +99,14 @@ const char *const aa_profile_mode_names[] = { }; -static void aa_free_pdb(struct aa_policydb *policy) +static vo...
947dfc8138dfaeb6e966e2d661de89eb203e3064
Analyze and fix the following issue in the Linux kernel code: igc: Fix hicredit calculation
Problem Details: According to the Intel Software Manual for I225, Section 7.5.2.7, hicredit should be multiplied by the constant link-rate value, 0x7736. Currently, the old constant link-rate value, 0x7735, from the boards supported on igb are being used, most likely due to a copy'n'paste, as the rest of the logic is ...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c index a9c08321aca9..22cefb1eeedf 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.c +++ b/drivers/net/ethernet/intel/igc/igc_tsn.c @@ -227,7 +227,7 @@ static int igc_tsn_enable_offload(struct igc_adapter *adapter...
9fb266dcb6aab27867b22f7bc9e4ad6bd14b2ddc
Analyze and fix the following issue in the Linux kernel code: ice: fix Get link status data length
Problem Details: Get link status version 2 (opcode 0x0607) is returning an error because FW expects a data length of 56 bytes, and this is causing the driver to fail probe. Update the get link status version 2 data length to 56 bytes by adding 5 byte reserved5 field to the end of struct ice_aqc_get_link_status_data an...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index d7fdb7ba7268..fbd5d92182d3 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1359,8 +1359,9 @@ struct ice_aqc_get_link_status_...
371e576ff3e8580d91d49026e5d5faebf5565558
Analyze and fix the following issue in the Linux kernel code: i40e: Restore VF MSI-X state during PCI reset
Problem Details: During a PCI FLR the MSI-X Enable flag in the VF PCI MSI-X capability register will be cleared. This can lead to issues when a VF is assigned to a VM because in these cases the VF driver receives no indication of the PF PCI error/reset and additionally it is incapable of restoring the cleared flag in t...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index d5633a440cca..d5519af34657 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -16518,6 +16518,9 @@ static void i40e_pci_error_reset_done(struct ...
495d2d8133fd1407519170a5238f455abbd9ec9b
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Attempt to build BPF programs with -Wsign-compare
Problem Details: GCC's -Wall includes -Wsign-compare while clang does not. Since BPF programs are built with clang we need to add this flag explicitly to catch problematic comparisons like: int i = -1; unsigned int j = 1; if (i < j) // this is false. long i = -1; unsigned int j = 1; if (i < j) // this is ...
```diff diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 617ae55c3bb5..fd15017ed3b1 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -383,6 +383,7 @@ CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) ...
b036d8ef3120b996751495ce25994eea58032a98
Analyze and fix the following issue in the Linux kernel code: ASoC: meson: g12a-tohdmitx: Fix event generation for S/PDIF mux
Problem Details: When a control changes value the return value from _put() should be 1 so we get events generated to userspace notifying applications of the change. While the I2S mux gets this right the S/PDIF mux does not, fix the return value. Fixes: c8609f3870f7 ("ASoC: meson: add g12a tohdmitx control") Signed-off...
```diff diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c index 51b7703e1834..b92434125fac 100644 --- a/sound/soc/meson/g12a-tohdmitx.c +++ b/sound/soc/meson/g12a-tohdmitx.c @@ -118,7 +118,7 @@ static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol, snd_soc_dapm_mux_u...
172c88244b5f2d3375403ebb504d407be0fded59
Analyze and fix the following issue in the Linux kernel code: ASoC: meson: g12a-toacodec: Fix event generation
Problem Details: When a control changes value the return value from _put() should be 1 so we get events generated to userspace notifying applications of the change. We are checking if there has been a change and exiting early if not but we are not providing the correct return value in the latter case, fix this. Fixes:...
```diff diff --git a/sound/soc/meson/g12a-toacodec.c b/sound/soc/meson/g12a-toacodec.c index dd7f07de2685..531bb8707a3e 100644 --- a/sound/soc/meson/g12a-toacodec.c +++ b/sound/soc/meson/g12a-toacodec.c @@ -104,7 +104,7 @@ static int g12a_toacodec_mux_put_enum(struct snd_kcontrol *kcontrol, snd_soc_dapm_mux_update_...
1e001206804be3f3d21f4a1cf16e5d059d75643f
Analyze and fix the following issue in the Linux kernel code: ASoC: meson: g12a-tohdmitx: Validate written enum values
Problem Details: When writing to an enum we need to verify that the value written is valid for the enumeration, the helper function snd_soc_item_enum_to_val() doesn't do it since it needs to return an unsigned (and in any case we'd need to check the return value). Fixes: c8609f3870f7 ("ASoC: meson: add g12a tohdmitx c...
```diff diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c index f7ef9aa1eed8..51b7703e1834 100644 --- a/sound/soc/meson/g12a-tohdmitx.c +++ b/sound/soc/meson/g12a-tohdmitx.c @@ -45,6 +45,9 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, struct soc_enum *e = (st...
3150b70e944ead909260285dfb5707d0bedcf87b
Analyze and fix the following issue in the Linux kernel code: ASoC: meson: g12a-toacodec: Validate written enum values
Problem Details: When writing to an enum we need to verify that the value written is valid for the enumeration, the helper function snd_soc_item_enum_to_val() doesn't do it since it needs to return an unsigned (and in any case we'd need to check the return value). Fixes: af2618a2eee8 ("ASoC: meson: g12a: add internal ...
```diff diff --git a/sound/soc/meson/g12a-toacodec.c b/sound/soc/meson/g12a-toacodec.c index 6c4503766fdc..dd7f07de2685 100644 --- a/sound/soc/meson/g12a-toacodec.c +++ b/sound/soc/meson/g12a-toacodec.c @@ -71,6 +71,9 @@ static int g12a_toacodec_mux_put_enum(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct...
6a15584e99db8918b60e507539c7446375dcf366
Analyze and fix the following issue in the Linux kernel code: i40e: fix use-after-free in i40e_aqc_add_filters()
Problem Details: Commit 3116f59c12bd ("i40e: fix use-after-free in i40e_sync_filters_subtask()") avoided use-after-free issues, by increasing refcount during update the VSI filter list to the HW. However, it missed the unicast situation. When deleting an unicast FDB entry, the i40e driver will release the mac_filter, ...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 1ab8dbe2d880..d5633a440cca 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -107,12 +107,18 @@ static struct workqueue_struct *i40e_wq; stati...
217e85f97031791fb48a2d374c7bdcf439365b21
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Fix type of 'dbg_flags' in 'struct kfd_process'
Problem Details: dbg_flags looks to be defined with incorrect data type; to process multiple debug flag options, and hence defined dbg_flags as u32. Fixes the below: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager_v9.c:117 pm_map_process_aldebaran() warn: maybe use && instead of & Fixes: 0de4ec9a0353 ("drm/a...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 45366b4ca976..745024b31340 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -970,7 +970,7 @@ struct kfd_process { struct work_struct debug_event_workarea; /* Tr...
b8d55a90fd55b767c25687747e2b24abd1ef8680
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix possible NULL dereference in amdgpu_ras_query_error_status_helper()
Problem Details: Return invalid error code -EINVAL for invalid block id. Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1183 amdgpu_ras_query_error_status_helper() error: we previously assumed 'info' could be null (see line 1176) Suggested-by: Hawking Zhang <Hawking.Zhang@amd.com> Cc: Tao Zhou <tao.zhou1@a...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index e541e6925918..39399d0f2ce5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1176,6 +1176,9 @@ static int amdgpu_ras_query_error_status_helper(struct amdgpu_d...
5ce9a6ad8ec48445ff6c999d064f7931f892bf2b
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Drop redundant unsigned >=0 comparision 'amdgpu_gfx_rlc_init_microcode()'
Problem Details: unsigned int "version_minor" is always >= 0 Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c:534 amdgpu_gfx_rlc_init_microcode() warn: always true condition '(version_minor >= 0) => (0-u16max >= 0)' Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Si...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c index 35e0ae9acadc..2c3675d91614 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c @@ -531,13 +531,12 @@ int amdgpu_gfx_rlc_init_microcode(struct amdgpu_device *adev, ...
d95ad8fa96e14b7ce1ab740c53f10d7aff9f6660
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Adjust kdoc for 'dcn35_hw_block_power_down' & 'dcn35_hw_block_power_up'
Problem Details: Fixes the following gcc with W=1: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn35/dcn35_hwseq.c:1124: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst Cc: Charlene Liu <charlene.liu@amd.com> Cc: Muhammad Ahmed <ahmed.ahmed@amd.c...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index c40f4a06abdb..9c806385ecbd 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -1123,21 +1123,28 ...
4d3ed0befdf4852cec2f203ceac440aa70a0e7f5
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Address function parameter 'context' not described in 'dc_state_rem_all_planes_for_stream' & 'populate_subvp_cmd_drr_info'
Problem Details: Fixes the following gcc with W=1: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_state.c:524: warning: Function parameter or member 'state' not described in 'dc_state_rem_all_planes_for_stream' drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_state.c:524: warning: Excess function parameter 'context'...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index dd52cab7ecdf..460a8010c79f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -511,7 +511,7 @@ bool dc_state_remove_plane( * * @...
b57e3ca1fb192962f5b062c2e13e1bab1936292c
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Use kvcalloc instead of kvmalloc_array in amdgpu_cs_parser_bos()
Problem Details: kvmalloc_array + __GFP_ZERO is the same with kvcalloc. Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:873 amdgpu_cs_parser_bos() warn: Please consider using kvcalloc instead of kvmalloc_array Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-o...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index e50be6500030..83c7fc09218c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -870,9 +870,9 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, struct...
091411be7ae899ce23072acf5a83b0b43e9024e1
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Use kzalloc instead of kmalloc+__GFP_ZERO in amdgpu_ras.c
Problem Details: Fixes the below smatch warnings: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2543 amdgpu_ras_recovery_init() warn: Please consider using kzalloc instead of kmalloc drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2830 amdgpu_ras_init() warn: Please consider using kzalloc instead of kmalloc Cc: Christian König <ch...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index bad62141f708..e541e6925918 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2540,7 +2540,7 @@ int amdgpu_ras_recovery_init(struct amdgpu_device *adev) ret...
abaf0666a65b8bbf7311571cd2b32b076fb8e1f9
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Cleanup indenting in amdgpu_connector_dvi_detect()
Problem Details: drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1106 amdgpu_connector_dvi_detect() warn: inconsistent indenting Fixes: 8a1de314d189 ("drm/amdgpu: Refactor 'amdgpu_connector_dvi_detect' in amdgpu_connectors.c") Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> C...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 96f63fd39b9e..9caba10315a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -1103,7 +1103,7 @@ amdgpu_connector_dvi_detect(struct ...
e379787cbc2aa73c63a795ec55140f9b21c27d8c
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add some functions for Panel Replay
Problem Details: [WHY] Prepare for enabling the Panel Replay feature [HOW] - Add some Panel Replay setting functions in DC - Add the Panel Replay resource in dcn35_resource.c - Add debug masks for Panel Replay Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com> Rev...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index b7c2eaebf8bf..2d7205058c64 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -4770,6 +4770,38 @@ bool dc_set_psr_allow_active(struct dc *dc, bool enable) ...
d6398866a6b47e92319ef6efdb0126a4fbb7796a
Analyze and fix the following issue in the Linux kernel code: Re-revert "drm/amd/display: Enable Replay for static screen use cases"
Problem Details: This reverts commit 44e60b14d5a72f91fd0bdeae8da59ae37a3ca8e5. Since, it causes a regression in which eDP displays with PSR support, but no Replay support (Sink support <= 0x03), fail to enable PSR and consequently all IGT amd_psr tests fail. So, revert this until a more suitable fix can be found. Thi...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index a144024df97c..d869d0d7bf4c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -67,7 +67,6 @@ #include "amdgpu_dm_debugf...
539e582a375dedee95a4fa9ca3f37cdb25c441ec
Analyze and fix the following issue in the Linux kernel code: kunit: Fix some comments which were mistakenly kerneldoc
Problem Details: The KUnit device helpers are documented with kerneldoc in their header file, but also have short comments over their implementation. These were mistakenly formatted as kerneldoc comments, even though they're not valid kerneldoc. It shouldn't cause any serious problems -- this file isn't included in the...
```diff diff --git a/lib/kunit/device.c b/lib/kunit/device.c index 1db4305b615a..f5371287b375 100644 --- a/lib/kunit/device.c +++ b/lib/kunit/device.c @@ -60,7 +60,7 @@ static void kunit_device_release(struct device *d) kfree(to_kunit_device(d)); } -/** +/* * Create and register a KUnit-managed struct device_dri...
7ece381aa72d430ee117958abb5bb23e21d72f1d
Analyze and fix the following issue in the Linux kernel code: kunit: Protect string comparisons against NULL
Problem Details: Add NULL checks to KUNIT_BINARY_STR_ASSERTION() so that it will fail cleanly if either pointer is NULL, instead of causing a NULL pointer dereference in the strcmp(). A test failure could be that a string is unexpectedly NULL. This could be trapped by KUNIT_ASSERT_NOT_NULL() but that would terminate t...
```diff diff --git a/include/kunit/test.h b/include/kunit/test.h index b163b9984b33..c2ce379c329b 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -758,7 +758,7 @@ do { \ .right_text = #right, \ }; \ \ - if (likely(strcmp(__left, __right) op 0...
f29886c249ec2ed566e423fd02f6071b8f0a3346
Analyze and fix the following issue in the Linux kernel code: nvme: fix max_discard_sectors calculation
Problem Details: ctrl->max_discard_sectors stores a value that is potentially based of the DMRSL field in Identify Controller, which is in units of LBAs and thus dependent on the Format of a namespace. Fix this by moving the calculation of max_discard_sectors entirely into nvme_config_discard and replacing the ctrl->m...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 6c52b0ab382c..86b9a1c4876f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1727,12 +1727,13 @@ static void nvme_config_discard(struct nvme_ctrl *ctrl, struct gendisk *disk, struct nvme_ns_head *head) { struct r...
3a96bff229d6e3016805fd6c3dba0655ccba01eb
Analyze and fix the following issue in the Linux kernel code: nvmet-tcp: fix a missing endianess conversion in nvmet_tcp_try_peek_pdu
Problem Details: No, a __le32 cast doesn't magically byteswap on big-endian systems.. Fixes: 70525e5d82f6 ("nvmet-tcp: peek icreq before starting TLS") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org>
```diff diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 3569c1255c5e..792828fb91cc 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1778,7 +1778,7 @@ static int nvmet_tcp_try_peek_pdu(struct nvmet_tcp_queue *queue) (int)sizeof(struct nvme_tcp_icreq_pdu)); if (hdr...
a0b84213f947176ddcd0e96e0751a109f28cde21
Analyze and fix the following issue in the Linux kernel code: kunit: Fix NULL-dereference in kunit_init_suite() if suite->log is NULL
Problem Details: suite->log must be checked for NULL before passing it to string_stream_clear(). This was done in kunit_init_test() but was missing from kunit_init_suite(). Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Fixes: 6d696c4695c5 ("kunit: add ability to run tests after boot using debugfs") Revi...
```diff diff --git a/lib/kunit/test.c b/lib/kunit/test.c index 3a3d4ebb35db..f95d2093a0aa 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -697,7 +697,9 @@ static void kunit_init_suite(struct kunit_suite *suite) kunit_debugfs_create_suite(suite); suite->status_comment[0] = '\0'; suite->suite_init_err = 0; ...
9ade4870b87b09e1f132ba92c1ab13a6769d1b0f
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix Mismatch between pipe and stream
Problem Details: [Why] Failing mode validation during dc_commit, leading to blackscreen with an 8k DP2 display during mode change. [What] Fix mixmatch between pipe and stream, which prevented us from recognizing the link as DP2. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Dmytro Laktyushkin <dmytr...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index bc2959fda5be..fa6a93dd9629 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper...
4e7738bcfb6765ca669fdbd2be2f7f6f239ed3e5
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Switch DMCUB notify idle command to NO_WAIT
Problem Details: [Why] Race condition between notification of driver idle and the command being processed. We could theoretically enter idle between the submission and the wait for idle that occurs after. [How] Switch the notification to NO_WAIT to avoid the RPTR access. Tested-by: Daniel Wheeler <daniel.wheeler@amd....
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 7724dcadecba..dadeaa9c92dd 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -1209,7 +1209,8 @@ static void dc_dmub_srv_notify_idle(const s...
4b5c5f5ad38b9435518730cc7f8f1e8de9c5cb2f
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu/gfx11: need acquire mutex before access CP_VMID_RESET v2
Problem Details: It's required to take the gfx mutex before access to CP_VMID_RESET, for there is a race condition with CP firmware to write the register. v2: add extra code to ensure the mutex releasing is successful. Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Sig...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index bdcf96df69e6..2fbcd9765980 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -4474,11 +4474,43 @@ static int gfx_v11_0_wait_for_idle(void *handle) return -ETIMED...
4069d43bfecb45811a2ad5dc63326e4227fa5931
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add log end specifier
Problem Details: [Why] Some debug tools, sometimes wrap around to multiple lines which causes issues with the DPM test script while it is looking for the logs. Need a way to tell when the log is finished. [How] Added "LOG_END" to the end of the log. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Alvi...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index 51adb13b3b80..aadd07bc68c5 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @...
ec9ba4821fa52b5efdbc4cdf0a77497990655231
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Let KFD sync with VM fences
Problem Details: Change the rules for amdgpu_sync_resv to let KFD synchronize with VM fences on page table reservations. This fixes intermittent memory corruption after evictions when using amdgpu_vm_handle_moved to update page tables for VM mappings managed through render nodes. Signed-off-by: Felix Kuehling <Felix.K...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index dcd8c066bc1f..1b013a44ca99 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -191,7 +191,8 @@ static bool amdgpu_sync_test_fence(struct amdgpu_device *adev...
aa5dc05340eb97486a631ce6bccb8d020bf6b56b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix minor issues in BW Allocation Phase2
Problem Details: [Why] Fix minor issues in BW Allocation Phase2. [How] - In set_usb4_req_bw_req(), link->dpia_bw_alloc_config.response_ready flag should be reset before writing DPCD REQUEST_BW. - Fix the granularity for value of 2 in get_bw_granularity(). - Removed bandwidth allocation support display fw boot option...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c index 7581023daa47..d6e1f969bfd5 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp...
ca1ecae145b20b11ff49062afe6f0bf6707bc244
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add null pointer guards where needed
Problem Details: [Why] Some functions whose output is typically checked for null are not being checked for null at several call sites, causing some static analysis tools to throw an error. [How] Add null pointer guards around functions that typically have them at other call sites. Tested-by: Daniel Wheeler <daniel.wh...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index d55de3f5115d..b7c2eaebf8bf 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3379,6 +3379,9 @@ static void commit_planes_for_stream_fast(struct dc *dc, ...
8a0f02b7beed7b2b768dbdf3b79960de68f460c5
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix subvp+drr logic errors
Problem Details: [Why] There is some logic error where the wrong variable was used to check for OTG_MASTER and DPP_PIPE. [How] Add booleans to confirm that the expected pipes were found before validating schedulability. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Acked-by: Rodrigo Siqueira <rodrigo.siqueira@am...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 10c890a9cb7c..cc759b34268b 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -806,6 +806,8 @@ static bool s...
a32c6f7f5737cc7e31cd7ad5133f0d96fca12ea6
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix ecc irq enable/disable unpaired
Problem Details: The ecc_irq is disabled while GPU mode2 reset suspending process, but not be enabled during GPU mode2 reset resume process. Changed from V1: only do sdma/gfx ras_late_init in aldebaran_mode2_restore_ip delete amdgpu_ras_late_resume function Changed from V2: check umc ras supported before put ecc_i...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c b/drivers/gpu/drm/amd/amdgpu/aldebaran.c index 02f4c6f9d4f6..576067d66bb9 100644 --- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c +++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c @@ -330,6 +330,7 @@ aldebaran_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_...
9546ac78b232bac56ff975072b1965e0e755ebd4
Analyze and fix the following issue in the Linux kernel code: 9p: Fix initialisation of netfs_inode for 9p
Problem Details: The 9p filesystem is calling netfs_inode_init() in v9fs_init_inode() - before the struct inode fields have been initialised from the obtained file stats (ie. after v9fs_stat2inode*() has been called), but netfslib wants to set a couple of its fields from i_size. Reported-by: Marc Dionne <marc.dionne@a...
```diff diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h index 731e3d14b67d..0e8418066a48 100644 --- a/fs/9p/v9fs_vfs.h +++ b/fs/9p/v9fs_vfs.h @@ -42,6 +42,7 @@ struct inode *v9fs_alloc_inode(struct super_block *sb); void v9fs_free_inode(struct inode *inode); struct inode *v9fs_get_inode(struct super_block *sb, umode...
7097c96411d22a1b3f6370dfd7eb2e3b7b83ff98
Analyze and fix the following issue in the Linux kernel code: cachefiles: Fix __cachefiles_prepare_write()
Problem Details: Fix __cachefiles_prepare_write() to correctly determine whether the requested write will fit correctly with the DIO alignment. Reported-by: Gao Xiang <hsiangkao@linux.alibaba.com> Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Yiqun Leng <yqleng@linux.alibaba.com> Tested-by: Jia Zhu <zh...
```diff diff --git a/fs/cachefiles/io.c b/fs/cachefiles/io.c index bffffedce4a9..7529b40bc95a 100644 --- a/fs/cachefiles/io.c +++ b/fs/cachefiles/io.c @@ -522,16 +522,22 @@ int __cachefiles_prepare_write(struct cachefiles_object *object, bool no_space_allocated_yet) { struct cachefiles_cache *cache = obje...
d18125b640309e925441ce49559be33867ae6b29
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: parse all ML elements in an ML probe response
Problem Details: A probe response from a transmitting AP in an Multi-BSSID setup will contain more than one Multi-Link element. Most likely, only one of these elements contains per-STA profiles. Fixes: 2481b5da9c6b ("wifi: cfg80211: handle BSS data contained in ML probe responses") Signed-off-by: Benjamin Berg <benjam...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 4c01127fccc4..2249b1a89d1c 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2617,10 +2617,12 @@ cfg80211_tbtt_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id, return 0; } -static void cfg80211_parse_ml_sta_data(str...
2a0698f86d4dfc43cc0c1703efb7ba6b1506a4e2
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: correct comment about MLD ID
Problem Details: The comment was referencing the wrong section of the documentation and was also subtly wrong as it assumed the rules that apply when sending probe requests directly to a nontransmitted AP. However, in that case the response comes from the transmitting AP and the AP MLD ID will be included. Fixes: 2481...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index b2ed45ea35d3..4c01127fccc4 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2676,8 +2676,11 @@ static void cfg80211_parse_ml_sta_data(struct wiphy *wiphy, /* MLD capabilities and operations */ pos += 2; - /* Not included when the (...
a5bb4e1a3748e650e664e9d44feb30daa9851945
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix spelling typo in comment
Problem Details: Fix spelling of "attributes" in a comment. Reported-by: k2ci <kernel-bot@kylinos.cn> Signed-off-by: Zheng tan <tanzheng@kylinos.cn> Link: https://msgid.link/20240102015418.3673858-1-tanzheng@kylinos.cn Signed-off-by: Johannes Berg <johannes.berg@intel.com>
```diff diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 5bf507ebb096..1e9389c49a57 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -16,7 +16,7 @@ #include "sta_info.h" #include "driver-ops.h" -/* sta attributtes */ +/* sta attributes */ #define STA_READ(name...
1184950e341c11b6f82bc5b59564411d9537ab27
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: fix RCU dereference in __cfg80211_bss_update
Problem Details: Replace rcu_dereference() with rcu_access_pointer() since we hold the lock here (and aren't in an RCU critical section). Fixes: 32af9a9e1069 ("wifi: cfg80211: free beacon_ies when overridden from hidden BSS") Reported-and-tested-by: syzbot+864a269c27ee06b58374@syzkaller.appspotmail.com Signed-off-by: ...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index cf2131671eb6..7cb8ae87c369 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1864,7 +1864,7 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev, &hidden->hidden_list); hidden->refcount++; - ies = (void *)rcu_...
c344ef36dbc2fe920ec7291b68b11fe867a2c8f6
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: hda-codec: Delay the codec device registration
Problem Details: The current code flow is: 1. snd_hdac_device_register() 2. set parameters needed by the hdac driver 3. request_codec_module() the hdac driver is probed at this point During boot the codec drivers are not loaded when the hdac device is registered, it is going to be probed later when loading the code...
```diff diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index 28ecbebb4b84..9f84b0d287a5 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -54,8 +54,16 @@ static int request_codec_module(struct hda_codec *codec) static int hda_codec_load_module(struc...
0daaa610c8e033cdfb420db728c2b40eb3a75134
Analyze and fix the following issue in the Linux kernel code: landlock: Optimize the number of calls to get_access_mask slightly
Problem Details: This call is now going through a function pointer, and it is not as obvious any more that it will be inlined. Signed-off-by: Günther Noack <gnoack@google.com> Link: https://lore.kernel.org/r/20231208155121.1943775-4-gnoack@google.com Fixes: 7a11275c3787 ("landlock: Refactor layer helpers") Signed-off-...
```diff diff --git a/security/landlock/ruleset.c b/security/landlock/ruleset.c index 789c81b26a50..e0a5fbf9201a 100644 --- a/security/landlock/ruleset.c +++ b/security/landlock/ruleset.c @@ -723,11 +723,12 @@ landlock_init_layer_masks(const struct landlock_ruleset *const domain, /* Saves all handled accesses per laye...
01b2885d9415152bcb12ff1f7788f500a74ea0ed
Analyze and fix the following issue in the Linux kernel code: net: Save and restore msg_namelen in sock_sendmsg
Problem Details: Commit 86a7e0b69bd5 ("net: prevent rewrite of msg_name in sock_sendmsg()") made sock_sendmsg save the incoming msg_name pointer and restore it before returning, to insulate the caller against msg_name being changed by the called code. If the address length was also changed however, we may return with ...
```diff diff --git a/net/socket.c b/net/socket.c index 3379c64217a4..89d79205bf50 100644 --- a/net/socket.c +++ b/net/socket.c @@ -757,6 +757,7 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg) { struct sockaddr_storage *save_addr = (struct sockaddr_storage *)msg->msg_name; struct sockaddr_storage addre...
7839d0078e0d5e6cc2fa0b0dfbee71de74f1e557
Analyze and fix the following issue in the Linux kernel code: PM: sleep: Fix possible deadlocks in core system-wide PM code
Problem Details: It is reported that in low-memory situations the system-wide resume core code deadlocks, because async_schedule_dev() executes its argument function synchronously if it cannot allocate memory (and not only in that case) and that function attempts to acquire a mutex that is already held. Executing the ...
```diff diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index f85f3515c258..9c5a5f4dba5a 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -579,7 +579,7 @@ bool dev_pm_skip_resume(struct device *dev) } /** - * device_resume_noirq - Execute a "noirq resume" callback for giv...
8c14dbf36424eb751d70c15f9a671549390057b2
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l41: fix building without CONFIG_SPI
Problem Details: When CONFIG_SPI is disabled, the driver produces unused-variable warning: sound/pci/hda/cs35l41_hda_property.c: In function 'generic_dsd_config': sound/pci/hda/cs35l41_hda_property.c:181:28: error: unused variable 'spi' [-Werror=unused-variable] 181 | struct spi_device *spi; | ...
```diff diff --git a/sound/pci/hda/cs35l41_hda_property.c b/sound/pci/hda/cs35l41_hda_property.c index 194e1179a253..c1afb721b4c6 100644 --- a/sound/pci/hda/cs35l41_hda_property.c +++ b/sound/pci/hda/cs35l41_hda_property.c @@ -211,7 +211,6 @@ static int generic_dsd_config(struct cs35l41_hda *cs35l41, struct device *phy...
f90dffdce70ff724f9ee8b0bcc711e86e6663896
Analyze and fix the following issue in the Linux kernel code: ALSA: ac97: fix build regression
Problem Details: The ac97_bus_type structure is no longer declared in this file: sound/ac97/bus.c: In function 'ac97_codec_add': sound/ac97/bus.c:112:27: error: 'ac97_bus_type' undeclared (first use in this function); did you mean 'bus_type'? 112 | codec->dev.bus = &ac97_bus_type; | ...
```diff diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c index 1dc7965eb14b..5e46b972a3da 100644 --- a/sound/ac97/bus.c +++ b/sound/ac97/bus.c @@ -15,6 +15,7 @@ #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/sysfs.h> +#include <sound/ac97_codec.h> #include <sound/ac97/codec.h> #include <soun...
7d4b5d7a37bdd63a5a3371b988744b060d5bb86f
Analyze and fix the following issue in the Linux kernel code: async: Introduce async_schedule_dev_nocall()
Problem Details: In preparation for subsequent changes, introduce a specialized variant of async_schedule_dev() that will not invoke the argument function synchronously when it cannot be scheduled for asynchronous execution. The new function, async_schedule_dev_nocall(), will be used for fixing possible deadlocks in t...
```diff diff --git a/include/linux/async.h b/include/linux/async.h index cce4ad31e8fc..33c9ff4afb49 100644 --- a/include/linux/async.h +++ b/include/linux/async.h @@ -90,6 +90,8 @@ async_schedule_dev(async_func_t func, struct device *dev) return async_schedule_node(func, dev, dev_to_node(dev)); } +bool async_sched...
8abf77c88929b6d20fa4f9928b18d6448d64e293
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci-sprd: Fix eMMC init failure after hw reset
Problem Details: Some eMMC devices that do not close the auto clk gate after hw reset will cause eMMC initialization to fail. Let's fix this. Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com> Fixes: ff874dbc4f86 ("mmc: sdhci-sprd: Disable CLK_AUTO when the clock is less than 400K") Reviewed-by: Baolin Wang <baolin...
```diff diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index 6b8a57e2d20f..bed57a1c64b5 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -239,15 +239,19 @@ static inline void _sdhci_sprd_set_clock(struct sdhci_host *host, div = ((div & 0x300) >> 2) | ((div ...
b29be0ca8e816119ccdf95cc7d7c7be9bde005f1
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_immediate: drop chain reference counter on error
Problem Details: In the init path, nft_data_init() bumps the chain reference counter, decrement it on error by following the error path which calls nft_data_release() to restore it. Fixes: 4bedf9eee016 ("netfilter: nf_tables: fix chain binding transaction logic") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nft_immediate.c b/net/netfilter/nft_immediate.c index fccb3cf7749c..6475c7abc1fe 100644 --- a/net/netfilter/nft_immediate.c +++ b/net/netfilter/nft_immediate.c @@ -78,7 +78,7 @@ static int nft_immediate_init(const struct nft_ctx *ctx, case NFT_GOTO: err = nf_tables_bind_chain(c...
e6345d2824a3f58aab82428d11645e0da861ac13
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_nat: fix action not being set for all ct states
Problem Details: This fixes openvswitch's handling of nat packets in the related state. In nf_ct_nat_execute(), which is called from nf_ct_nat(), ICMP/ICMPv6 packets in the IP_CT_RELATED or IP_CT_RELATED_REPLY state, which have not been dropped, will follow the goto, however the placement of the goto label means that ...
```diff diff --git a/net/netfilter/nf_nat_ovs.c b/net/netfilter/nf_nat_ovs.c index 551abd2da614..0f9a559f6207 100644 --- a/net/netfilter/nf_nat_ovs.c +++ b/net/netfilter/nf_nat_ovs.c @@ -75,9 +75,10 @@ static int nf_ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct, } err = nf_nat_packet(ct, ctinfo, hooknum,...
38894ff3a04b7e7a3fa3d7688fa77ceb0ecd4093
Analyze and fix the following issue in the Linux kernel code: ppp: Fix spelling typo in comment in ppp_async_encode()
Problem Details: Fix spelling typo in comment Reported-by: k2ci <kernel-bot@kylinos.cn> Signed-off-by: liyouhong <liyouhong@kylinos.cn> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20231227015831.289077-1-liyouhong@kylinos.cn Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c index fbaaa8c102a1..840da924708b 100644 --- a/drivers/net/ppp/ppp_async.c +++ b/drivers/net/ppp/ppp_async.c @@ -533,7 +533,7 @@ ppp_async_encode(struct asyncppp *ap) proto = get_unaligned_be16(data); /* - * LCP packets with code value...
e584f2ff1e6cc9b1d99e8a6b0f3415940d1b3eb3
Analyze and fix the following issue in the Linux kernel code: net: bcmgenet: Fix FCS generation for fragmented skbuffs
Problem Details: The flag DMA_TX_APPEND_CRC was only written to the first DMA descriptor in the TX path, where each descriptor corresponds to a single skbuff fragment (or the skbuff head). This led to packets with no FCS appearing on the wire if the kernel allocated the packet in fragments, which would always happen wh...
```diff diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 9282403d1bf6..2d7ae71287b1 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2132,8 +2132,10 @@ static netdev_tx_t bcmgenet_xmit(s...
501869fecfbc00d20d07c1a5f1a49af8fb903d44
Analyze and fix the following issue in the Linux kernel code: net: ethtool: Fix symmetric-xor RSS RX flow hash check
Problem Details: Commit 13e59344fb9d ("net: ethtool: add support for symmetric-xor RSS hash") adds a check to the ethtool set_rxnfc operation, which checks the RX flow hash if the flag RXH_XFRM_SYM_XOR is set. This flag is introduced with the same commit. It calls the ethtool get_rxfh operation to get the RX flow hash ...
```diff diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 4c4f46dfc251..4bc9a2a07bbb 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -973,32 +973,35 @@ static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, u32 cmd, void __user *useraddr) { const struct ethtool_ops *o...
4c0288299fd09ee7c6fbe2f57421f314d8c981db
Analyze and fix the following issue in the Linux kernel code: mptcp: prevent tcp diag from closing listener subflows
Problem Details: The MPTCP protocol does not expect that any other entity could change the first subflow status when such socket is listening. Unfortunately the TCP diag interface allows aborting any TCP socket, including MPTCP listeners subflows. As reported by syzbot, that trigger a WARN() and could lead to later big...
```diff diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 6d7684c35e93..852b3f4af000 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1982,6 +1982,17 @@ static void tcp_release_cb_override(struct sock *ssk) tcp_release_cb(ssk); } +static int tcp_abort_override(struct sock *ssk, int err) +{...
d5a306aedba34e640b11d7026dbbafb78ee3a5f6
Analyze and fix the following issue in the Linux kernel code: sfc: fix a double-free bug in efx_probe_filters
Problem Details: In efx_probe_filters, the channel->rps_flow_id is freed in a efx_for_each_channel marco when success equals to 0. However, after the following call chain: ef100_net_open |-> efx_probe_filters |-> ef100_net_stop |-> efx_remove_filters The channel->rps_flow_id is freed again in the efx_for...
```diff diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c index d2f35ee15eff..fac227d372db 100644 --- a/drivers/net/ethernet/sfc/rx_common.c +++ b/drivers/net/ethernet/sfc/rx_common.c @@ -823,8 +823,10 @@ int efx_probe_filters(struct efx_nic *efx) } if (!success) { - efx...
0dd415d155050f5c1cf360b97f905d42d44f33ed
Analyze and fix the following issue in the Linux kernel code: net: ethtool: add a NO_CHANGE uAPI for new RXFH's input_xfrm
Problem Details: Add a NO_CHANGE uAPI value for the new RXFH/RSS input_xfrm uAPI field. This needed so that user-space can set other RSS values (hkey or indir table) without affecting input_xfrm. Should have been part of [1]. Link: https://lore.kernel.org/netdev/20231213003321.605376-1-ahmed.zaki@intel.com/ [1] Fixes...
```diff diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 60801df9d8c0..01ba529dbb6d 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -2002,6 +2002,7 @@ static inline int ethtool_validate_duplex(__u8 duplex) * be exploited to reduce the RSS queue spread. *...
7c402f77e8cb6dd593217270e2643eeba1a89b01
Analyze and fix the following issue in the Linux kernel code: net: ethtool: copy input_xfrm to user-space in ethtool_get_rxfh
Problem Details: The ioctl path of ethtool's get channels is missing the final step of copying the new input_xfrm field to user-space. This should have been part of [1]. Link: https://lore.kernel.org/netdev/20231213003321.605376-1-ahmed.zaki@intel.com/ [1] Fixes: 13e59344fb9d ("net: ethtool: add support for symmetric-...
```diff diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 86d47425038b..9adc240b8f0e 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -1251,6 +1251,11 @@ static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev, if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc), ...
f93e71aea6c60ebff8adbd8941e678302d377869
Analyze and fix the following issue in the Linux kernel code: Revert "PCI/ASPM: Remove pcie_aspm_pm_state_change()"
Problem Details: This reverts commit 08d0cc5f34265d1a1e3031f319f594bd1970976c. Michael reported that when attempting to resume from suspend to RAM on ASUS mini PC PN51-BB757MDE1 (DMI model: MINIPC PN51-E1), 08d0cc5f3426 ("PCI/ASPM: Remove pcie_aspm_pm_state_change()") caused a 12-second delay with no output, followed ...
```diff diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 55bc3576a985..bdbf8a94b4d0 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1335,6 +1335,9 @@ static int pci_set_full_power_state(struct pci_dev *dev) pci_restore_bars(dev); } + if (dev->bus->self) + pcie_aspm_pm_state_change(dev->bus->s...
8dc4c410006531ddad981ca9578f83cb93860819
Analyze and fix the following issue in the Linux kernel code: xsk: make struct xsk_cb_desc available outside CONFIG_XDP_SOCKETS
Problem Details: The ice driver fails to build when CONFIG_XDP_SOCKETS is disabled. drivers/net/ethernet/intel/ice/ice_base.c:533:21: error: variable has incomplete type 'struct xsk_cb_desc' struct xsk_cb_desc desc = {}; ^ include/net/xsk_buff_pool.h:15:8: note: forward declaration o...
```diff diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h index b62bb8525a5f..526c1e7f505e 100644 --- a/include/net/xdp_sock_drv.h +++ b/include/net/xdp_sock_drv.h @@ -12,14 +12,14 @@ #define XDP_UMEM_MIN_CHUNK_SHIFT 11 #define XDP_UMEM_MIN_CHUNK_SIZE (1 << XDP_UMEM_MIN_CHUNK_SHIFT) -#ifdef CONFI...
8cdafdd94654ba418648d039c48e7a90508c1982
Analyze and fix the following issue in the Linux kernel code: Revert "net: ipv6/addrconf: clamp preferred_lft to the minimum required"
Problem Details: The commit had a bug and might not have been the right approach anyway. Fixes: 629df6701c8a ("net: ipv6/addrconf: clamp preferred_lft to the minimum required") Fixes: ec575f885e3e ("Documentation: networking: explain what happens if temp_prefered_lft is too small or too large") Reported-by: Dan Mouldi...
```diff diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index 4dfe0d9a57bb..7afff42612e9 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -2511,7 +2511,7 @@ temp_valid_lft - INTEGER temp_prefered_lft - INTEGER Preferred l...
31deb12e85c35ddd2c037f0107d05d8674cab2c0
Analyze and fix the following issue in the Linux kernel code: i40e: Fix VF disable behavior to block all traffic
Problem Details: Currently, if a VF is disabled using the 'ip link set dev $ETHX vf $VF_NUM state disable' command, the VF is still able to receive traffic. Fix the behavior of the 'ip link set dev $ETHX vf $VF_NUM state disable' to completely shutdown the VF's queues making it entirely disabled and not able to receiv...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 0de8e00ad291..d55a7cd9fa52 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2579,6 +2579,14 @@ static int i40e_vc...
0849a5441358cef02586fb2d60f707c0db195628
Analyze and fix the following issue in the Linux kernel code: nvmet-tcp: fix a crash in nvmet_req_complete()
Problem Details: in nvmet_tcp_handle_h2c_data_pdu(), if the host sends a data_offset different from rbytes_done, the driver ends up calling nvmet_req_complete() passing a status error. The problem is that at this point cmd->req is not yet initialized, the kernel will crash after dereferencing a NULL pointer. Fix the b...
```diff diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index ad16795934b8..b4b6a8ac8089 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -998,8 +998,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) data->ttag, le32_to_cpu(data->data_offset), ...
efa56305908ba20de2104f1b8508c6a7401833be
Analyze and fix the following issue in the Linux kernel code: nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length
Problem Details: If the host sends an H2CData command with an invalid DATAL, the kernel may crash in nvmet_tcp_build_pdu_iovec(). Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 lr : nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp] Call trace: process_one_work+0x174/0x3c8 worker_threa...
```diff diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 4cc27856aa8f..ad16795934b8 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -24,6 +24,7 @@ #include "nvmet.h" #define NVMET_TCP_DEF_INLINE_DATA_SIZE (4 * PAGE_SIZE) +#define NVMET_TCP_MAXH2CDATA 0x400000 /* 16...
fd56cd5f6d76e93356d9520cf9dabffe1e3d1aa0
Analyze and fix the following issue in the Linux kernel code: eventfs: Fix bitwise fields for "is_events"
Problem Details: A flag was needed to denote which eventfs_inode was the "events" directory, so a bit was taken from the "nr_entries" field, as there's not that many entries, and 2^30 is plenty. But the bit number for nr_entries was not updated to reflect the bit taken from it, which would add an unnecessary integer to...
```diff diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h index 899e447778ac..42bdeb471a07 100644 --- a/fs/tracefs/internal.h +++ b/fs/tracefs/internal.h @@ -63,7 +63,7 @@ struct eventfs_inode { }; unsigned int is_freed:1; unsigned int is_events:1; - unsigned int nr_entries:31; + unsigned int nr_...
ad579864637af46447208254719943179b69d41a
Analyze and fix the following issue in the Linux kernel code: tracefs: Check for dentry->d_inode exists in set_gid()
Problem Details: If a getdents() is called on the tracefs directory but does not get all the files, it can leave a "cursor" dentry in the d_subdirs list of tracefs dentry. This cursor dentry does not have a d_inode for it. Before referencing tracefs_inode from the dentry, the d_inode must first be checked if it has con...
```diff diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index 62524b20964e..bc86ffdb103b 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -215,6 +215,10 @@ resume: struct dentry *dentry = list_entry(tmp, struct dentry, d_child); next = tmp->next; + /* Note, getdents() can add a cursor dentry wi...
3027e7b15b02d2d37e3f82d6b8404f6d37e3b8cf
Analyze and fix the following issue in the Linux kernel code: ice: Fix some null pointer dereference issues in ice_ptp.c
Problem Details: devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: d938a8cca88a ("ice: Auxbus devices & driver for E822 TS") Cc: Kunwu Chan <kunwu.chan@hotmail.com> Suggested-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Signed-off-by: Kunwu Chan <chentao@ky...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index c4fe28017b8d..3b6605c8585e 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2863,6 +2863,8 @@ static int ice_ptp_register_auxbus_driver(struct ice_pf *pf...
58f1e9d3a30438042fc9ed65b3dc56b2e5f7886a
Analyze and fix the following issue in the Linux kernel code: cxl/region: use %pap format to print resource_size_t
Problem Details: Use "%pap" to print a resource_size_t (phys_addr_t derived type) to prevent build warnings on 32-bit arches (seen on i386 and riscv-32). ../drivers/cxl/core/region.c: In function 'alloc_hpa': ../drivers/cxl/core/region.c:556:25: warning: format '%llx' expects argument of type 'long long unsigned int',...
```diff diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index d904f9752bc3..0e88f1aed018 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -553,8 +553,8 @@ static int alloc_hpa(struct cxl_region *cxlr, resource_size_t size) dev_name(&cxlr->dev)); if (IS_ERR(res)) { ...
ac4f1897fa5433a1b07a625503a91b6aa9d7e643
Analyze and fix the following issue in the Linux kernel code: PCI: Fix 64GT/s effective data rate calculation
Problem Details: Unlike the lower rates, the PCIe 64GT/s Data Rate uses 1b/1b encoding, not 128b/130b (PCIe r6.1 sec 1.2, Table 1-1). Correct the PCIE_SPEED2MBS_ENC() calculation to reflect that. Link: https://lore.kernel.org/r/20240102172701.65501-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen <ilpo.ja...
```diff diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 5ecbcf041179..d9132029d658 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -272,7 +272,7 @@ void pci_bus_put(struct pci_bus *bus); /* PCIe speed to Mb/s reduced by encoding overhead */ #define PCIE_SPEED2MBS_ENC(speed) \ - ((speed) == PCIE_S...
49f9637aafa6e63ba686c13cb8549bf5e6920402
Analyze and fix the following issue in the Linux kernel code: jfs: fix array-index-out-of-bounds in diNewExt
Problem Details: [Syz report] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:2360:2 index -878706688 is out of range for type 'struct iagctl[128]' CPU: 1 PID: 5065 Comm: syz-executor282 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS ...
```diff diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index a037ee59e398..2ec35889ad24 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -2179,6 +2179,9 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) /* get the ag and iag numbers for this iag. */ agno = BLKTOAG(le64_to_cp...
09f164d393a6671e5ff8342ba6b3cb7fe3f20208
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci_omap: Fix TI SoC dependencies
Problem Details: The sdhci_omap is specific to older TI SoCs, update the dependencies for those SoCs and compile testing. While we're at it update the text to reflect the wider range of supported TI SoCS the driver now supports. Fixes: 7d326930d352 ("mmc: sdhci-omap: Add OMAP SDHCI driver") Signed-off-by: Peter Robin...
```diff diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 24ce5576b61a..81f2c4e05287 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -1026,14 +1026,15 @@ config MMC_SDHCI_XENON config MMC_SDHCI_OMAP tristate "TI SDHCI Controller Support" + depends on ARCH_OMAP2PLUS || A...
cb052da7f031b0d2309a4895ca236afb3b4bbf50
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci_am654: Fix TI SoC dependencies
Problem Details: The sdhci_am654 is specific to recent TI SoCs, update the dependencies for those SoCs and compile testing. While we're at it update the text to reflect the wider range of supported TI SoCS the driver now supports. Fixes: 41fd4caeb00b ("mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver") Sig...
```diff diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 58bd5fe4cd25..24ce5576b61a 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -1041,14 +1041,15 @@ config MMC_SDHCI_OMAP config MMC_SDHCI_AM654 tristate "Support for the SDHCI Controller in TI's AM654 SOCs" + depend...
b062136d0d6f46d7ad5c88219cbd75f90cb18e81
Analyze and fix the following issue in the Linux kernel code: mmc: mmc_test: Add re-tuning test
Problem Details: Add a test to repeatedly re-tune in between random reads. The test is non-destructive of data on the card and runs for 30 seconds. It can be repeated to test for longer durations. If re-tuning is not supported, the test is skipped. Example: # echo 'mmc1:0001' > /sys/bus/mmc/drivers/mmcblk/unbind ...
```diff diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index 0f6a563103fd..8f7f587a0025 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -1904,7 +1904,7 @@ static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) } static int mmc_test_rnd_perf(struct mmc_test_c...
84a6be7db9050dd2601c9870f65eab9a665d2d5d
Analyze and fix the following issue in the Linux kernel code: mmc: mmc_spi: remove custom DMA mapped buffers
Problem Details: There is no need to duplicate what SPI core or individual controller drivers already do, i.e. mapping the buffers for DMA capable transfers. Note, that the code, besides its redundancy, was buggy: strictly speaking there is no guarantee, while it's true for those which can use this code (see below), t...
```diff diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index cc333ad67cac..2a99ffb61f8c 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -15,7 +15,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/bio.h> -#include <linux/dma-mapping.h> +#include <...
f9e5f289b686bbb8e7fbed7a533e570ad5d863da
Analyze and fix the following issue in the Linux kernel code: hwmon: (pmbus) Add support for MPS Multi-phase mp2856/mp2857 controller
Problem Details: Add support for mp2856/mp2857 device from Monolithic Power Systems, Inc. (MPS) vendor. This is a dual-loop, digital, multi-phase, modulation controller. Signed-off-by: Peter Yin <peteryin.openbmc@gmail.com> Signed-off-by: Potin Lai <potin.lai.pt@gmail.com> Link: https://lore.kernel.org/r/2023121116051...
```diff diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 30e1c24307ca..c7ed1f73ac06 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -158,6 +158,7 @@ Hardware Monitoring Kernel Drivers mcp3021 menf21bmc mlxreg-fan + mp2856 mp2888 mp2...
06f34bcc9a050f350067006d665b7900ca33be98
Analyze and fix the following issue in the Linux kernel code: hwmon: (k10temp) Add support for AMD Family 19h Model 8h
Problem Details: Add support for AMD Family 19h Model 8h CPUs, which appear to be the Zen 3 based AMD Threadripper 5000WX series (Chagall). The patch was tested with an AMD Threadripper 5955WX. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218244 Tested-by: Jami Kurki <bindkeys@gmail.com> Signed-off-by: Jami Ku...
```diff diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index bae0becfa24b..8092312c0a87 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -455,6 +455,7 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id) switch (boot_cpu_data.x86_model) { case 0x...
01638431c465741e071ab34acf3bef3c2570f878
Analyze and fix the following issue in the Linux kernel code: efi/x86: Fix the missing KASLR_FLAG bit in boot_params->hdr.loadflags
Problem Details: When KASLR is enabled, the KASLR_FLAG bit in boot_params->hdr.loadflags should be set to 1 to propagate KASLR status from compressed kernel to kernel, just as the choose_random_location() function does. Currently, when the kernel is booted via the EFI stub, the KASLR_FLAG bit in boot_params->hdr.loadf...
```diff diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index da9b7b8d0716..0d510c9a06a4 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -787,6 +787,8 @@ static efi_status_t efi_decompress_kernel(unsigned long *kernel_e...
643fe70e7bcdcc9e2d96952f7fc2bab56385cce5
Analyze and fix the following issue in the Linux kernel code: ARM: sun9i: smp: fix return code check of of_property_match_string
Problem Details: of_property_match_string returns an int; either an index from 0 or greater if successful or negative on failure. Even it's very unlikely that the DT CPU node contains multiple enable-methods these checks should be fixed. This patch was inspired by the work of Nick Desaulniers. Link: https://lore.kern...
```diff diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c index 6ec3445f3c72..277f6aa8e6c2 100644 --- a/arch/arm/mach-sunxi/mc_smp.c +++ b/arch/arm/mach-sunxi/mc_smp.c @@ -803,12 +803,12 @@ static int __init sunxi_mc_smp_init(void) for (i = 0; i < ARRAY_SIZE(sunxi_mc_smp_data); i++) { ret = ...
72ad3b772b6d393701df58ba1359b0bb346a19ed
Analyze and fix the following issue in the Linux kernel code: ARM: sun9i: smp: Fix array-index-out-of-bounds read in sunxi_mc_smp_init
Problem Details: Running a multi-arch kernel (multi_v7_defconfig) on a Raspberry Pi 3B+ with enabled CONFIG_UBSAN triggers the following warning: UBSAN: array-index-out-of-bounds in arch/arm/mach-sunxi/mc_smp.c:810:29 index 2 is out of range for type 'sunxi_mc_smp_data [2]' CPU: 0 PID: 1 Comm: swapper/0 Not tainted...
```diff diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c index cb63921232a6..6ec3445f3c72 100644 --- a/arch/arm/mach-sunxi/mc_smp.c +++ b/arch/arm/mach-sunxi/mc_smp.c @@ -807,12 +807,12 @@ static int __init sunxi_mc_smp_init(void) break; } - is_a83t = sunxi_mc_smp_data[i].is_a83t; - of...
18a434f32fa61b3fda8ddcd9a63d5274569c6a41
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix mute/micmute LEDs for a HP ZBook
Problem Details: There is a HP ZBook which using ALC236 codec and need the ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to make mute LED and micmute LED work. [ confirmed that the new entries are for new models that have no proper name, so the strings are left as "HP" which will be updated eventually later -- tiwai...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index e2f68e502daf..a4e2bc4f0107 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9926,6 +9926,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8c70, "HP EliteBook ...
61fa2493ca76fd7bb74e13f0205274f4ab0aa696
Analyze and fix the following issue in the Linux kernel code: selftests: bonding: do not set port down when adding to bond
Problem Details: Similar to commit be809424659c ("selftests: bonding: do not set port down before adding to bond"). The bond-arp-interval-causes-panic test failed after commit a4abfa627c38 ("net: rtnetlink: Enslave device before bringing it up") as the kernel will set the port down _after_ adding to bond if setting por...
```diff diff --git a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh index 4917dbb35a44..5667febee328 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh +++ b/tools/testi...
c46bfba1337d301661dbb23cfd905d4cb51f27ca
Analyze and fix the following issue in the Linux kernel code: connector: Fix proc_event_num_listeners count not cleared
Problem Details: When we register a cn_proc listening event, the proc_event_num_listener variable will be incremented by one, but if PROC_CN_MCAST_IGNORE is not called, the count will not decrease. This will cause the proc_*_connector function to take the wrong path. It will reappear when the forkstat tool exits via ct...
```diff diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index 44b19e696176..3d5e6d705fc6 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -108,8 +108,9 @@ static inline void send_msg(struct cn_msg *msg) filter_data[1] = 0; } - cn_netlink_send_mult(msg, msg->len...
059d37b718d38d26087121c754691df77acfc66b
Analyze and fix the following issue in the Linux kernel code: net: phy: linux/phy.h: fix Excess kernel-doc description warning
Problem Details: Remove the @phy_timer: line to prevent the kernel-doc warning: include/linux/phy.h:768: warning: Excess struct member 'phy_timer' description in 'phy_device' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Heiner Kallweit <hkallweit1@gmail.com> Cc: Russell Kin...
```diff diff --git a/include/linux/phy.h b/include/linux/phy.h index 3cc52826f18e..bd285950972c 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -568,7 +568,6 @@ struct macsec_ops; * - Bits [31:24] are reserved for defining generic * PHY driver behavior. * @irq: IRQ number of the PHY's in...
e7d3b9f28654dbfce7e09f8028210489adaf6a33
Analyze and fix the following issue in the Linux kernel code: usb: yurex: Fix inconsistent locking bug in yurex_read()
Problem Details: Unlock before returning on the error path. Fixes: 86b20af11e84 ("usb: yurex: Replace snprintf() with the safer scnprintf() variant") Reported-by: Dan Carpenter <error27@gmail.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/r/202312170252.3udgrIcP-lkp@intel.com/ Sign...
```diff diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 5a13cddace0e..9a0649d23693 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -414,8 +414,10 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, return -ENODEV; } - if (WARN_ON_ONCE(...